package com.zyy.queue;

import java.util.Collection;
import java.util.Collections;
import java.util.PriorityQueue;
import java.util.Queue;

public class QueueDemo {
    public static void main(String[] args) {
        Collection queue = new PriorityQueue();
        queue.add("a");
        queue.add("b");
        queue.add("c");


    }
}
